<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div id="app">
        <h2>差值表达式</h2>
        <p>{{msg}}</p>
        <p>{{count}}</p>
        <hr>
        <h2>v-text</h2>
        <p v-text="msg"></p>
        <hr>
        <h2>v-model</h2>
        <input type="text" v-model="msg">
        <input type="text" v-model="count">
    </div>
    <script src="./js/dep.js"></script>
    <script src="./js/watcher.js"></script>
    <script src="./js/compiler.js"></script>
    <script src="./js/observer.js"></script>
    <script src="./js/vue.js"></script>
    <script>
    const vm = new Vue({
        el: '#app',
        data: {
            msg: 'Hello World',
            count: 100,
            person: {
                name: 'zs'
            }
        }
    });
    // 给已存在的属性重新赋值一个对象
    // vm.msg = {
    //     txt: 'Hello'
    // };
    vm.person.name = 'xxx';
    </script>
</body>

</html>